20909776

素因数分解:

$2^4\times {\mathrm{419}}^1\times {\mathrm{3119}}^1$

素因数の和:3546

約数の個数: 20

約数和(自身を含む): 40622400

約数和(自身を除く): 19712624

約数列:

[1, 2, 4, 8, 16, 419, 838, 1676, 3119, 3352, 6238, 6704, 12476, 24952, 49904, 1306861, 2613722, 5227444, 10454888, 20909776]

約数ペア:

[(1, 20909776), (2, 10454888), (4, 5227444), (8, 2613722), (16, 1306861), (419, 49904), (838, 24952), (1676, 12476), (3119, 6704), (3352, 6238)]